这是一个很棒的方法,可以限制用户哪些计算机程序可用而哪些不可以。
This is a nice feature for limiting what programs users can or cannot access on the computer.
尽管有了所有这些努力,但真正的限制计算机安全可能是人类的本性。
For all those efforts, though, the real limits to computer security may lie in human nature.
有时,我们可能想限制孩子使用计算机的总时间。
Sometime we may want to limit the amount of time that your children using the computer.
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